參數(shù)資料
型號(hào): MC1723
廠商: Motorola, Inc.
英文描述: Voltage Regulator
中文描述: 電壓調(diào)節(jié)器
文件頁(yè)數(shù): 5/8頁(yè)
文件大?。?/td> 181K
代理商: MC1723
MC1723C
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 16. Typical Connection for 2 < VO < 7
Figure 17. Foldback Connection
Figure 18. +5.0 V, 1.0 A Switching Regulator
Figure 19. +5.0 V, 1.0 A High Efficiency Regulator
Figure 20. +15 V, 1.0 A Regulator with Remote Sense
Figure 21. –15 V Negative Regulator
+Vin
12
11
6
5
R2
R1
Cref
7
13
4
3
2
10
RSC
Vout
R3
1000pF
For best results 10 k < R1 +R2 < 100 k
For minimum drift R3 = R1 R2
VO
7
R2
R1 + R2
ISC =
Vsense
RSC
0.66
RSC
at TJ = + 25
°
C
MC1723C
12
11
6
5
10
2
4
13
RA
10k
R1
R2
3
7
100pF
Vout
RSC
Vout
ISC
IL
Iknee
a
1–a
Vsense
VO
Iknee
ISC
–1
RSC =
Vsense
(1–a) ISC
+ Vin
RA =
10 k
where
a =
MC1723C
Vin
+10V
2.2k
1.0M
1.0k
5.1k
5
6
12
11
4
3
2
10
10
Vout
1N4001
or Equiv
1mH
2N4918 or Equiv
100
100
μ
F
7
0.1
μ
F
+
+5V
MC1723C
+6.5V
+10V
Vin1
Vin2
0.1
μ
F
12
11
3
10
2
4
13
1000pF
7
5
6
2.0k
5.1k
0.33
Vout
+5.0V
MC1723C
0.33
2N3055 or Equiv
10
2
3
4
100pF
13
10k
12k
+20V
+ Sense
Vout
+15V
Load
– Sense
5
6
11
12
Vin
0.1
μ
F
7
MC1723C
Vref
12
11
6
5
10
4
100pF
13
7
Vin = –20 V
V2 = 14V
2N3055
or Equiv
Vout = –15 V
10
μ
F
12k
10k
+
Vref
+
+
MC1723C
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